Roll Observatory packages and add a roll script

packages/polymer/test/event_path_declarative_test.dart

+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// This is ported from event-path-declarative-test.dart in polymer/test/html/.
+// While the original test was intended to test event.path support, we changed
+// the test structure just to check that the event was handled in the expected
+// order.
+library polymer.test.event_path_declarative_test;
+
+import 'dart:async';
+import 'dart:html';
+
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'package:polymer/polymer.dart';
+
+var _observedEvents = [];
+var _testFired;
+
+main() => initPolymer();
+
+@reflectable
+class XZug extends PolymerElement {
+  XZug.created() : super.created();
+
+  ready() {
+    shadowRoot.on['test-event'].listen((e) {
+      _testFired.complete(null);
+    });
+  }
+
+  contentTestEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+
+  divTestEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+
+  testEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+}
+
+@reflectable
+class XFoo extends PolymerElement {
+  XFoo.created() : super.created();
+
+  contentTestEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+
+  divTestEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+
+  testEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+}
+
+@reflectable
+class XBar extends PolymerElement {
+  XBar.created() : super.created();
+
+  contentTestEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+
+  divTestEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+
+  testEventHandler(e, detail, sender) {
+    _observedEvents.add(sender);
+  }
+}
+
+@initMethod init() {
+  useHtmlConfiguration();
+  // TODO(sigmund): switch back to use @CustomTag. We seem to be running into a
+  // problem where using @CustomTag doesn't guarantee that we register the tags
+  // in the following order (the query from mirrors is non deterministic).
+  // We shouldn't care about registration order though. See dartbug.com/14459
+  Polymer.register('x-zug', XZug);
+  Polymer.register('x-foo', XFoo);
+  Polymer.register('x-bar', XBar);
+
+  _testFired = new Completer();
+
+  setUp(() => Polymer.onReady);
+  test('event paths', () {
+    var target = document.querySelector('#target');
+    target.dispatchEvent(new CustomEvent('test-event', canBubble: true));
+    return _testFired.future.then((_) {
+      var xBar = querySelector('x-bar');
+      var xBarDiv = xBar.shadowRoot.querySelector('#xBarDiv');
+      var xBarContent = xBar.shadowRoot.querySelector('#xBarContent');
+      var xFoo = xBar.shadowRoot.querySelector('x-foo');
+      var xFooDiv = xFoo.shadowRoot.querySelector('#xFooDiv');
+      var xFooContent = xFoo.shadowRoot.querySelector('#xFooContent');
+      var xZug = xFoo.shadowRoot.querySelector('x-zug');
+      var xZugDiv = xZug.shadowRoot.querySelector('#xZugDiv');
+      var xZugContent = xZug.shadowRoot.querySelector('#xZugContent');
+
+      var expectedPath = [
+        xBarContent,
+        xBarDiv,
+        xFooContent,
+        xZugContent,
+        xZugDiv,
+        xZug,
+        xFooDiv,
+        xFoo,
+        xBar
+      ];
+      debugName(e) => '${e.localName}#${e.id}';
+      expect(_observedEvents, expectedPath,
+          reason: '<br>\nexpected: ${expectedPath.map(debugName).join(',')}'
+          '<br>\nactual: ${_observedEvents.map(debugName).join(',')}');
+    });
+  });
+}